Metacaulk 950 Water-Based Sealant

DESCRIPTION: One-part, non-combustible sealant with hardened cure, formulated for through-penetrations of interior applications, useful when installing in confined spaces or occupied areas.


  • Inorganic material with no volatile solvents; won’t create smoke or toxic gases; does not have asbestos fillers; resistant to chemical exposure
  • A single-component penetration sealant system, non-slumping & forms a hard retrofittable surface
  • Protected in wet & dry stages against mold growth with a combination of biocides
  • An easy installation sealant with water cleanup capabilities; no mixing or special skills necessary & no required additives; applied with a conventional caulking gun, trowel or with pumping equipment

PERFORMANCE: UL Classified system rated for up to 3 hrs; tested in accordance with ASTM E814 (UL 1479) and ASTM E1966 (UL 2079); Compliant with the Buy America Act

Product Variations

  • 66643 - Metacaulk 950, 10.3oz Beige



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